[?-L-Manp2Me-(1->4)-?-D-GlcpA2NAc-(1->4)-?-D-GlcpA-(1->4)-?-D-Glcp-(1->4)-?-D-GlcpA2Me-(1->4)-?-L-Rhap2Me-(1->2)-?-L-Manp(1-]-